| realistic(adjective, sound, reasonable, sensible, rational) |
| ruminative(adjective, reasonable, informal, rational, thoughtful) |
| schooled(quality, familiar, knowledgeable, informed) |
| sensitive(adjective, understanding, keen, sharp, smart) |
| smart-alecky(adjective, smart, attitude, informal, rude) |
| style(noun, form, plan, line, design) |
| thinking(adjective, sound, reasonable, keen, smart) |
| useful(adjective, practical, beneficial, convenient) |
| valid(clear, sound, reasonable, sensible, rational) |
| versed(adjective, familiar, knowledgeable, skilled, qualified) |
| veteran(adjective, familiar, knowledgeable, skilled, qualified) |
| wary(adjective, reasonable, sharp, sensible, lively) |
| wily(adjective, sharp, smart, intelligent, shrewd) |
| hep(adjective, smart, shrewd, clever, subtle) |
| worldly(adjective, cool, significant, familiar, intelligent) |
| able(adjective, right, appropriate, smart, bright) |
| advantageous(adjective, right, appropriate, proper, suitable) |
| brassy(adjective, cool, attitude, informal, rude) |
| brazen(adjective, cool, smart, attitude, rude) |
| circumspect(adjective, reasonable, sharp, sensible, lively) |